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RateOfChange(Series,Int32) Method
See Also 
dotnetCHARTING Namespace > FinancialEngine Class > RateOfChange Method : RateOfChange(Series,Int32) Method


s
An series where the first element is the closing price in the last trading period, the second term is the closing price in the previous trading period and so on.
numberDays
The number of days before to which the closing price is compared.
Calculate the n-day rate of change (ROC) for all periods for which there is sufficient data.

Syntax

Visual Basic (Declaration) 
Public Overloads Shared Function RateOfChange( _
   ByVal s As Series, _
   ByVal numberDays As Integer _
) As Series
Visual Basic (Usage)Copy Code
Dim s As Series
Dim numberDays As Integer
Dim value As Series
 
value = FinancialEngine.RateOfChange(s, numberDays)
C# 
public static Series RateOfChange( 
   Series s,
   int numberDays
)

Parameters

s
An series where the first element is the closing price in the last trading period, the second term is the closing price in the previous trading period and so on.
numberDays
The number of days before to which the closing price is compared.

Return Value

A series where the first term is the rate of change for the most recent period, the second term is the rate of change for the previous period and so on.

Exceptions

ExceptionDescription
ArgumentExceptionThrown if either parameter is strictly negative.

Remarks

The (n-day) rate of change (ROC) is just the last closing price divided by the closing price n-days ago.

As with the case with the momentum indicator the rate of change (ROC) indicator on extended values and/or turning points indicates oversold or over brought conditions (respectively).

See Also

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